2003 MERCEDES-BENZ S55AMG wheel alignment

323 Practical hints
Where will I find ...?
The vehicle tool kit includes:

One pair of universal pliers


Two open-end wrenches


One hex-socket wrench


One interchangeable slot/Phillips
screwdriver


One towing eye bolt


One wheel wrench


One alignment bolt


One fuse extractor


One fuse chart for the main fuse box


Spare fusesVehicle jack
To prepare the vehicle jack for use

Remove the vehicle jack from the spare
wheel well under the trunk floor.

Push the crank handle up.

Turn the crank handle clockwise until it
engages (operational position).Storing the vehicle jack in the trunk

Retract the vehicle jack arm to the
base of the vehicle jack.

Push the crank handle up.

Turn the crank handle counterclock-
wise to the end of the stop (storage po-
sition).
!To prevent damage, always disengage
trunk floor handle from trunk lid and
lower trunk floor before closing the
trunk lid.

341 Practical hints
Flat tire
1Jack support tube hole
2Jack arm
3Crank
Insert jack arm2 fully into tube hole1
up to the stop.

Keeping jack in this position, turn
crank3 clockwise until the jack base
meets the ground. Make sure the jack
is vertical (plumb line).

Continue to turn the crank until the tire
is a maximum of 1.2 in (3 cm) from the
ground.Removing the wheel
1Alignment bolt

Unscrew upper-most wheel bolt and re-
move.

Replace this wheel bolt with alignment
bolt1 supplied in the tool kit.

Remove the remaining bolts.

Remove the wheel.
Warning!
G
Insert the jack arm fully into the jack sup-
port tube hole up to the stop. Otherwise the
vehicle may fall from the jack and cause per-
sonal injury or damage to the vehicle.
Warning!
G
The jack is intended only for lifting the vehi-
cle briefly for wheel changes. It is not suited
for performing maintenance work under the
vehicle.

Never start the engine when the vehicle
is raised.


Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolt
and wheel hub threads.

342 Practical hintsFlat tireMounting the new wheel
Clean contact surfaces of wheel and
wheel hub.

Guide the spare wheel onto the align-
ment bolt and push it on.

Insert wheel bolts and tighten them
slightly.

Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Lowering the vehicle

Lower vehicle by turning crank coun-
terclockwise until vehicle is resting ful-
ly on its own weight.

Remove the jack.1-5 Wheel bolts

Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of
110 ft. lb. (150 Nm).
!To avoid paint damage, place wheel flat
against hub and hold it there while in-
stalling first wheel bolt.Warning!
G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be re-
paired immediately. Do not continue to drive
under these circumstances! Contact an au-
thorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect mounting bolts or improperly
tightened mounting bolts can cause the
wheel to come off. This could cause an acci-
dent. Be sure to use the correct mounting
bolts.
Warning!
G
Use only genuine equipment
Mercedes-Benz wheel bolts. They are identi-
fied by the Mercedes star. Other wheel bolts
may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
tip over.
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 ft.lb. (150 Nm).


343 Practical hints
Flat tire

Before storing the jack in the trunk, it
should be fully collapsed, with handle
folded in.

Place the wheel bolt wrench, alignment
bolt and jack back in the vehicle tool kit
in the trunk and close the covering lid.
Replacing jack support tube cover

Slide tongue of cover under the upper
edge of the tube opening.

Applying even pressure, press cover
until it snaps into place. Be careful not
to damage the locking tabs or clamp
the plastic retaining strap.!You can also screw the faulty wheel
down into the spare wheel well in the
trunk.
Do not activate the tire inflation pres-
sure monitor until the depressurized
tire is no longer in the vehicle.


381 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM
airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the front passenger-side airbag when
such a seat is properly installed (indica-
tor lamp PASSENGER AIRBAG OFF in
the center console lights up). See your
authorized Mercedes-Benz Center for
availability.BabySmart
TM
compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the front
passenger-side airbag if a
BabySmartTM compatible child seat is
installed.
BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-xenon headlamps*
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-xenon headlamps produce low beam
and high beam.CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.

388 IndexAir conditioning
Turning off 184
Turning on 184
Air pressure see Tire inflation pressure 273
Air recirculation mode 180
Activating 180
Deactivating 181
Air vents, rear passenger compartment
Adjustable 186
Air volume
Adjusting 179
AIRBAG OFF indicator lamp 295
Airbags 57
BabySmart
TM airbag deactivation sys-
tem 69, 381
Children 58
Front 61
Passenger 61
Safety guidelines 60
Side impact 61
Window curtain 61
AIRMATIC 211
Alarm
Audible 75, 83
Canceling 83
Visual 82Alarm system
Anti-theft 82
Alignment bolt 341
Alignment bolt (vehicle tool kit) 323, 381
Antiglare
Automatic 168
Antilock brake system (ABS) 381
Anti-theft alarm system
Arming 83
Canceling alarm 83
Disarming 83
Anti-theft systems 82
Anti-theft alarm system 82
Immobilizer 82
Tow-away alarm 84
Aquaplaning see Hydroplaning 255
Armrest
Storage compartment in front of 225,
226, 227, 228
Ashtray 232
At the gas station 261
ATF (Automatic Transmission Fluid) 268
AUDIO menu 135
Selecting radio station 136
Audio system
CD mode 137Automatic antiglare for rear view mirror
168
Automatic central locking
Activating/deactivating (control sys-
tem) 155
Automatic climate control 174
Air recirculation mode 180
Defrosting 180
Rear window defroster 183
Setting the temperature 177
Automatic headlamp mode 121
Automatic lighting control
Activating 125
Deactivating 125
Automatic locking when driving 102
Automatic transmission 160
Accelerator position 165
Activating steering wheel gearshift
control 166
Comfortable program mode 164
Deactivating steering wheel gearshift
control 167
Emergency operation (Limp Home
Mode) 165
Fluid level 268
Gear ranges 162

409 Index
Checking 262
Vehicle lock status
Checking (KEYLESS-GO*) 93
Vehicle tool kit 322, 323
Alignment bolt 323
Fuse chart 323
Fuse extractor 323
Hex-socket wrench 323
Open-end wrench 323
Screwdriver 323
Spare fuses 323
Universal pliers 323
Wheel wrench 323
Vehicle washing 284
Ventilation
Storage compartment 184
VIN (Vehicle Identification Number) 385
Voice control system* 385
Hands-free microphone 27
W
Warning lamps see Lamps, indicator and
warning
Warning sounds
Distance warning function* 207
Distronic* 201
Drivers seat belts 62Parking brake 45
Warranty coverage 359
Washing the vehicle 282
Wear pattern (tires) 277
Weights 370
Wheel change
Tightening torque 342
Wheels
Rotating 277
Tires and wheels 272
Window curtain airbags 61
Windows see Side windows
Windshield
Refilling washer fluid 271
Replacing wiper blades 337
Washer fluid 271
Windshield washer fluid
Message in display 321
Refilling 271
Wiping with 48
Windshield wipers 47, 171
Fast wiper speed 47
Intermittent wiping 47
Replacing wiper blades 337
Single wipe 47
Switching on 47Wiping with windshield washer fluid 48
Winter driving 278
Block heater* 279
Snow chains 279
Tires 278
Transmission program mode 166
Winter driving instructions 256
Winter tires 278
Wiper blades
Cleaning 286
Installing 338
Removing 337
Replacing 337
Wiping
And washing simultaneously 48
Interval 47
With windshield washer fluid 48
Wrench, hex-socket (vehicle tool kit) 323
Wrench, open-end (vehicle tool kit) 323
Wrench, wheel (vehicle tool kit) 323
X
Xenon headlamps
Bi-Xenon 381